POLYCYSTIC ovary syndrome (PCOS) affects one in 10 women globally - however not all sufferers are actually aware they have it.
In fact, research suggests that nearly 70 per cent of those with the hormonal condition haven't been diagnosed.
The main symptoms of PCOS are irregular or absent periods and infertility - so many women only discover they have it when they're struggling to get pregnant .
But, whilst some women may suffer solely period-related symptoms, there are also a whole host of other signs connected to PCOS , many of which you may not be aware of.
Explaining exactly what PCOS is, Jodie Relf, PCOS dietitian and spokesperson for MyOva , says: "It’s one of the most common hormonal conditions affecting women of reproductive age.
"The cause is unknown but two very lik